Patents by Inventor R. Neal Ensley

R. Neal Ensley has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Blow molded tubing with special holes and method of making same
    Patent number: 4655986
    Abstract: A method of making blow-molded perforated tubing and the tubing made by said method is provided. In the method of the invention, hollow-walled protuberances are blow molded into the side of the tubing as the tubing is formed and perforations are formed by cutting the hollow-walled protuberances.
    Type: Grant
    Filed: December 3, 1984
    Date of Patent: April 7, 1987
    Assignee: Dayco Products, Inc.
    Inventors: Liggett A. Cothran, Edward L. Morgan, Robert E. Stevens, Homer N. Holden, R. Neal Ensley